Given name
Riku
Riku is a masculine given name from Russian. It is used in Finnish.
Meaning & origin
How it developed
In Finnish usage, Riku is a diminutive of RIKHARD.
The story
Published U.S. birth records include this spelling as early as 1996. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Riku through the years
- Babies since 1880
- 483
- 483 boys · 0 girls
- Most popular year
- 2024
- 24 babies
- 2025
- 13
- #6,730 for boys
- 2021–25 vs 2016–20
- +13%
- Rising
By the numbers
In 2025, this name appeared in 13 U.S. birth records for boys, ranking No. 6,730 among boys’ names. Average annual use for boys was 12.6% higher in 2021–2025 than in 2016–2020. Published U.S. population figures for this spelling include 382 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Riku’s family of names
In Finnish usage, Riku is a diminutive of RIKHARD. In Finnish usage, Riku shares a linguistic root with the English form Gregory. In Finnish usage, Riku has a conventional equivalent in the Portuguese form Ricardo.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Riku has relatives in 4 languages. Lines run from its Russian roots to each of them.
8 related names in 4 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 3
The same name written differently, including transliterations into other scripts.
Across languages 4
Equivalents and cognates in other languages, plus older forms it grew from.
People named Riku
- Riku MatsudaJapanese association football player (born 1991)
- Riku HandaJapanese association football playerborn 2002
- Riku RiskiFinnish association football playerborn 1989
- Riku TanakaJapanese association football playerborn 1999
- Riku MiuraJapanese figure skaterborn 2001
- Riku DanzakiJapanese association football playerborn 2000
- Riku HahlFinnish ice hockey playerborn 1980
- Riku HeleniusFinnish ice hockey playerborn 1988
- Riku OndaJapanese writer (born 1964)
Listed by how widely each person is written about, which says nothing about the name itself.
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